Son of Thunder 2013-11-05 11:08:30 AM Barry Lyndon's Annuity Cheque: But there is also reason for caution in drawing conclusions from this graph - or trusting the personality types too much in general.Then why did you make the farking graph?When I teach Personality Psychology, I cover the Myers-Briggs, mostly because it is something that students already have heard of and are interested in.